diff --git a/task/summary3.py b/task/summary3.py
index cea71b8..3ea182f 100644
--- a/task/summary3.py
+++ b/task/summary3.py
@@ -138,10 +138,11 @@ class Summary3(Task):
     def get_cursor(self):
         if not self.cursor_st:
             self.cursor_st = self.task_info.get('cursor_et')
-            if not self.cursor_st:
-                self.cursor_st = int(time.time()) - 86400
-            elif self.cursor_st >= int(pd.Timestamp(time.time(), unit='s', tz=self.timezone).normalize().timestamp()):
-                self.cursor_st = int(time.time()) - 86400
+            if self.cursor_st and self.cursor_st >= int(
+                    pd.Timestamp(time.time(), unit='s', tz=self.timezone).normalize().timestamp()):
+                self.cursor_st -= 86400
+        if not self.cursor_st:
+            self.cursor_st = int(time.time()) - 86400
         super().get_cursor()
 
     def generate_cursor_time(self):